Đây là tài liệu toán tiếng anh phục vụ cho các kì thi toán sử dụng bằng ngôn ngữ tiếng anh như Math Violympic, Toán Tuổi Thơ,...Đây là các bài toán ít dùng lời nên chủ yếu là kiến thức toán về phân số, tính ngược, số và chữ số, dãy số và tính tuổi với các câu hỏi làm cho nhiều học sinh chưa làm hết như tìm b+5...
Review Math for Grade and TIME: 60 MINUTES 1) Find a and b + 5: 2) Find a – b : 3) Find b: 4) Find a: 5) Find a: 6) Find b + 5: 7) The shop has some rice The first day sold 1/3 of rice and kg The rice on the second day sold if another kg shall be 3/7 the remaining rice The third day of the rice sold by the remaining 4/5 and kg At the time remaining true / a quintal Count of rice each day sold 8) Find X: 9) Find X: 10) Find X:= x x 15 11) Find X: 12) Find X: abc + cba = 1332 ( a, b , c are three consecutive natural number ) ; x = abc + 102 13) Find X: 4x87y divisible by ; ; 14) From to 2015 we use ……… digits including …… digits 15) The 2003th digit in sequence: 2; 4; 6; ; 2000; 2002 is …… 16) Find numbers in sequence 6; 24; 60; 120; 210; …; … 17) Mai has 25 marbles, Binh’s is less than the average of their is marbles Lan has the number of marbles equals the average of theirs Quan’s is less than the average of theirs is 4marbles Find the average of Lan and Quan’s marbles 18) In the sequence of word ASEANASEANASEAN… Hoa colors turns green, red, purple, green, red, … Find the color of 2052th word in the sequence 19) Given the sequence of numbers 1; 3; 5; ; x Find x indicates the number of digits in sequence over times the number of sequence 20) years ago, dad’s age was over times son’s Next years, dad’s age will be over times son’s Find the ratio of the dad’s and son’s